v4.19.13 snapshot.
diff --git a/drivers/mtd/lpddr/Kconfig b/drivers/mtd/lpddr/Kconfig
new file mode 100644
index 0000000..a5a332f
--- /dev/null
+++ b/drivers/mtd/lpddr/Kconfig
@@ -0,0 +1,29 @@
+menu "LPDDR & LPDDR2 PCM memory drivers"
+ depends on MTD
+
+config MTD_LPDDR
+ tristate "Support for LPDDR flash chips"
+ select MTD_QINFO_PROBE
+ help
+ This option enables support of LPDDR (Low power double data rate)
+ flash chips. Synonymous with Mobile-DDR. It is a new standard for
+ DDR memories, intended for battery-operated systems.
+
+config MTD_QINFO_PROBE
+ depends on MTD_LPDDR
+ tristate "Detect flash chips by QINFO probe"
+ help
+ Device Information for LPDDR chips is offered through the Overlay
+ Window QINFO interface, permits software to be used for entire
+ families of devices. This serves similar purpose of CFI on legacy
+ Flash products
+
+config MTD_LPDDR2_NVM
+ # ARM dependency is only for writel_relaxed()
+ depends on MTD && ARM
+ tristate "Support for LPDDR2-NVM flash chips"
+ help
+ This option enables support of PCM memories with a LPDDR2-NVM
+ (Low power double data rate 2) interface.
+
+endmenu